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INVASIVE SPECIES - LATEST
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Japanese Honeysuckle
Lonicera japonica
Japanese honeysuckle is a woody, perennial vine that can both trail and climb, reaching heights of up to 80 feet. It grows over shrubs and trees, causing them to collapse under the additional weight or girdling the supporting tree.
Common Teasel
Dipsacus fullonum
Common teasel, also referred to as Fuller’s teasel, is a biennial or short-lived perennial herbaceous plant that produces a basal rosette of puckering leaves for one or more years, and then sends up a prickly, flowering stem.
Leafy Spurge
Euphorbia esula
Leafy Spurge is a perennial plant that grows up to 4 feet tall. Its leaves are blue grey, simple and oppositely arranged. Greenish-yellow flowers are present from May to June. The roots have pink buds.
Common Periwinkle
Vinca minor
Common periwinkle is an herbaceous, perennial and evergreen groundcover. The leaves are opposite, elliptic in shape and dark green, though some varieties may have variegated coloration. It produces blue-purple flowers with 5 petals that are blunt at the tip and arranged in a spiral or “pinwheel” shape.
Tench
Tinca tinca
Tench is a member of the carp family. They have dark olive to pale golden coloring, a white-bronze belly, bright red-orange eyes and a small barbel at the corners of the mouth. The fins are dark in color, rounded and lack spines. Tench have a deep, but thin body and grow up to 18 inches long.
Bull Thistle
Cirsium vulgare
A tall biennial that produces a single purple flowerhead atop its stem. Leaves, stem and bracts are all covered in hairs or spines which makes it unpalatable to wildlife and livestock.
Sea Lamprey
Petromyzon marinus
The sea lamprey is an aggressive parasitic fish that resembles an eel. This species has two dorsal fins, no paired fins, seven gill openings, and a very distinctive disk-shaped mouth with sharp, curved teeth and a rasping tongue. Their scaleless body is a mottled gray to black color that fades to a silver-white coloration on the underside. Adult sea lampreys are generally 12-20 inches in length.
English Ivy
Hedera helix
English ivy is an evergreen perennial vine that can grow to reach lengths of 90 feet with proper support or form a dense, trailing mat.
